The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant axilflower in Ottawa should be determined by reviewing the USDA zone info.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant axilflower until after the last frost because they require warm weather.

The earliest that you can plant axilflower in Ottawa is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant axilflower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your axilflower may not have a chance to really do well. You can get started a little bit earlier by starting your axilflower indoors.

Last Frost Date

In Ottawa the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Ottawa is not always accurate and the actual date of last frost changes from year to year. Half of the time in Ottawa you get a frost after April 15 so always be ready to protect your axilflower in the event of a surprise late frost.

USDA Zone Info for Ottawa

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ottawa

You may be interested in your other planting guides for Ottawa.